Apparatus for severing glass cylinders.



R. H. BOLIN.

APPARATUS FOR SEVERING GLASS CYLINDERS.

v APPLICATION FILED MAY 4. 1908.

979,%& Patented De0.27, 1910.

2 SHEETS-SHEET l R. H. BOLIN.

I APPARATUS FOR SEVBRING GLASS CYLINDERS.

APPLICATION FILED MAY 4, 1908.

Patented Dec. 27, 1910.

2 SHEETS-SHEET 2.

.the art of severing 1 represents a glass cylin horizontally on equalizing supports,

. great riage 3, hav ng PATENT OFFICE. A

UNITED STATES Brennan n. noun, or K.AI1\ T'E, PENNSYLVAQNI.QA;

Application filed May 4,

' Specification of Letters Patent.

' APPARATUS FOR 'snvnnme GLASS CYLINDERS.

To all whom it may concern:

Be it knownithat I, RICHARD H. BOLIN, a citizen of the Dominion of Canada, residin at Kane, in the county of McKean an State of Pennsylvania,

paratus for Severing. Glass Cylinders, of which the following is a specification.

This invention relates to an apparatus for adjusting wires to glass cylinders place% an electrically heating the wires as a stepin the cylinders into sections, and has special reference to enlarged sized cylinders produced by machine draw- The objects of my invention are to provide a suitable bed or support upon which long cylinders of glass may be placed without loss of breakageheretofore occasioned, during thepro'cess of severing the cylinders into sections for more conveniently reducing the same intoithe finished product of window glass. 3 f I i Other objects venient means thereof are to provide con- I for encircling the cylinder with the heating wire to predetermined points, applying proper tension to the heating wire to insure its close contact withthe glass during the severingoperation and providing for a wide variation in sizes of cylinders to be severed as shown. 7

Other objects of my invention Wlll. appear hereinafter.

Referring to the drawings which illustrate 1 is a side elevation invention Flgure y thereof showing-a form of apparatus embodying iny"invention in the act of sev'ering.

a glass cylinder. Fig. 2 is an enlargedtransverse section ,of one of the severin units and the movablecarriage with its cy inder suporting arms or racks mounted thereon. ig. 3 is a. diagram of the electric ClI'CllltS employed with-one of the severmg 11I11tS.

Referring t'o the'accom anying drawings, er which is-to e severed circumferen'tlally, 2 cylinder su porting arms, shaped to conform with t e under body. of "the cylinder resting-thereon, the arms being mounted upon a movable cartraction wheels 4, running on the rail :5, suitably mounted on the floor of the operating room. For the purpose of severing these cylinders, provide one or more cylinder severing units, each of WlllCh comprises,

have invented cer-' tain new and useful Improvements in Apas mi the case shown, of vertical standards 6, attached in pairs to. the floor or foundation opposite each other on each side 3 operates. A semi-circular band 7 extends from one standard to the'other for supportproper tension is applied to the-wire by turning the winding reel 10. I do not restrict myself to the means shown of supportingthe wire above the path of the cylinder as the wire may be suspended by other suitable means.

From the upper end of each standard extends horizontally adjustable arms or wire .holders 11 and 31 slidable'in the insulated socket 12, and made fast by set screw 13. Extending from the socket 12 is a guide and end of wire holder 11 is placed an insulated terminal, 14, to whichis attachedone end of the heating wire. From the terminal 14, the heating wire passes in the form of a loop up over the cylinder, and is supported above by the counter-balanced dogs 8-8, and thence to the end of the other wireholder 31, where it passes over a sheave and terminates in the winding .reel 10.

Upon the carriage 3, at suitable intervals down its center are located a series of vertically extended sockets 15, into which fit a vertically slidable shank of the supportingarm 16. On. these supporting'arms are placed suitable rollers 17, preferably'wooden spools, upon which the cylinder of glass rests tom of the inter or. of said socket l 5, is

der 20,

upper shank formed by the enlarged recess in the of the cylinder supporting arms by shank and slidable in the formed in then per end- The equalizing porting arms procured by this arrangement guide s 0t 22, 'f the socket 15.

of the track upon'which the movable carriage by'placing it on the counter-balanced dogs 8--8 arranged to releasethe wire 9 when.

during the severing ope'atiom- At the" bot-.

' placed a spiral spring 18, upon which the;

the lower spring 18. The upper spring 19, encircles the shank and'rests on the shoulengaging a key 21:, passing throu h, the

eatures of the elastic sup-.

ing the wireabove the pat-h ofthe cylinder I support 33 for the slidable wire holders 11 and 31 to rest upon when extended. At the end of the socket, and supports the constitutes-a very important feature in my invention, provi ing as I do for the com-' pression of two separates-prings; the one having a greater, compressing resistance than the other. In'th1s way a uniform equalization of the .weight of the cylinder as to its bearing on all of the supporting arms is maintained. The equalizing features of the supports allow for a variation in the surface of the cylinder and changes due to its expansion and contraction during 7 of the cylinder severing units are shown diagrammatically in Fig. 3, where the'electrical conductors, as wires 23 and 24, are connected to the power mains leading from a suitable electrical energizer, as a dynamo or the like. Conductor 24, leads to a suitablev rheostat, 25, of ordinary construction, thenceto one'pole of a suitable quick break switch 26, and from the opposlte pole of this switch it iselectrically connected with the heating wire 9. Electrically connected to the heating wire at the insulated terminal 14, is the other conductor 23, leading therefrom to the power mains.

When a glass cylinder has been laid in a horizontal position resting on the equalizing supports, preparatory to' being severed into sections, .the operation is as follows: The wire holders 11 and 31, are drawn back to permit free passage of the cylinder through the loop 27, which has been extended by withdrawing the wire holders at the sides, and supporting the wire above the path of the cylinder on the hooked ends of the counter-balanced dogs 8-*8. The carriage with the cylinder supported thereon is then moved under the suspended loop of the heating wire, to a. predetermined point where the cylinder is to be severed. When the cylinder is thus placed in the proper position the adjustable wire holders l1-31,'

' are moved toward the cylinder until the heating wires leading therefrom are placed in contact with the c linder. The winding reel 10, is then turn until the tension thus applied to the heating wire causes the counter-balanced dogs 8-8, to release their hold,

and the wire is drawn in close contact with the glass cylinder. 'The snap switch 26, is

then actuated to close the circuit which is as follows: From a suitable source of electrical energy (not shown) through the line wire 24, passing through the insulator, 28,

in the iioor, thence to rheostat 25, from connected with the terminal 14, is the line wire 23, which passes through the insulated supportingeye 32, and down through the insulator 30, in the floor, thence back to the source of power. The electric current passing through the heating wire 9, which is of high resistance, creates an intense degree of heat in the wire, and thehea-t'is imparted therefrom to that circumferential line on the cylinder formed by the contact points of the heating wire. The application of anycold object, preferably a suitable piece of iron, to the heated zone of the cylinder, causes the glass to crack or severat the point designated. As the severing operation described consumes a required period of time during which the heating wire is brought to the necessary degree of heat, .I provide a plurality of severing units which can be operated on the one cylinder independently, or simultaneously as desired. I do not desire to be restricted to the specific mechanism shown, as many modifications may be made without departing from my invention. 1Having thus described my invention, I 0 mm:

v 1. In an apparatus for severing glass cylinders comprising a heating wire, means for adjusting said wireto the glass cylinder, an equalizing carrier for supporting said cylinder during the severing operation, and means for moving the carrier horizontally between the severing operations.

2. In an apparatus of the nature indicated the combination of a vertical frame for holding the heating wire in an annular form, a horizontally reciprocating carrier operati-vely mounted on a track to 'move through said frame, a series of yielding supports mounted on said carrier. supporting said cylinder during the severing operation.

3. In an apparatus of the nature indicated the combination of a vertical frame arranged for holding in annular form a heating wire, means for expanding and contracting the annular form of said wire to permit of easy access of the cylinder therein, ahorizontally reciprocating carrier operative'ly mounted on a track to move through said frame, a series of vertically yielding supportingarms, v elastically mounted on said carrier'tosupport the cylinder during the severing operation.

4. In an apparatus ,of the nature indicated the combination of a vertical frame supporting a heating wire, adapted to encircle glass cylinders, a movably, mounted glass cylinder carrier, consisting of a carriage, a plurality ofvertical socket-recessed standards, rigidly fixed to the bed of said carriage, vertically disposed guide rods,

elastically mounted in said sockets, with arch shaped Cushioned supports, attached to the upper ends of said gulde rods, to support glass cylinders thereon.

5. In an apparatus of the nature indicated, the combination of a vertical frame for holding an open annular electrical conductor'adapted to encircle a glass cylinder,

means for applying said conductor in close adapted contact to the glass cylinder, a movably mounted glass cylinder carrier consisting-of a carriage mounted on a suitable track for horizontal movement, a plurality of vertically disposed supports, yieldingly held in retracted position, mounted on the bed of said carrier, and supporting said cylinder during the severing operation.

In testimony whereof I' afiix my signature in presence of two Witnesses.

RICHARD H. BOLIN. Witnesses:

E. WILL GREENE, LENA 0. Romania. 

